Figure 3
From: Case finding of Influenza A(H1N1)2009 in Belgium in the early pandemic
Epidemiological links of tested patients, week 17-40/2009, Belgium.
Figure 3 | Archives of Public Health
From: Case finding of Influenza A(H1N1)2009 in Belgium in the early pandemic
Epidemiological links of tested patients, week 17-40/2009, Belgium.
Archives of Public Health